In physics, it is a big problem!

送交者: bluesky007 于 2007-11-17, 09:55:04:

回答: 不会吧？由 sangdy 于 2007-11-17, 08:33:35:

I think you did not understand the concept of ground state.

so what is your major then, physics? - sangdy (74 bytes) 2007-11-17, 10:55:48 (183760)
- Yes. Thanks! (无内容) - bluesky007 (0 bytes) 2007-11-17, 23:10:26 (183895)